Home / 786,908.70-1,180,363.05-218,288.70

Finding the Fourth Proportional to 786,908.70, 1,180,363.05 and 218,288.70

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Solution

The fourth proportional to 786,908.70, 1,180,363.05 and 218,288.70 is: 327,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,908.70 : 1,180,363.05 = 218,288.70 : x
  2. Step 2: Convert to fraction form
    786,908.70/1,180,363.05 = 218,288.70/x
  3. Step 3: Cross multiply
    786,908.70x = 1,180,363.05 × 218,288.70
  4. Step 4: Simplify right side
    786,908.70x = 257,659,915,712.54
  5. Step 5: Solve for x
    x = 257,659,915,712.54/786,908.70
  6. Step 6: Final answer
    x = 327,433.05

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.